Maybe! We've all had corrupt downloads, and it would be much better to know about them before we eat ourselves over an error. I'm running md5 checksums on all of the downloads. I will post them here as I get them.

Ok! Here's a simple checker for you alice downloads! Just run the exe. It will ask you to open your alice zip, and then it will hash it and tell you the results. If it doesn't match anything, you may have a corrupt file. Note that this is only for the newest 2.2 and the newest 2.0. I don't know the hashes for the others, at least at the moment. If you don't feel confortable running my zips, you can open up a python interpreter and run: